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All results from a given calculation for CH3OH (Methyl alcohol)

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-115.595487
Energy at 298.15K-115.599643
HF Energy-115.595487
Nuclear repulsion energy40.492414
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3901 3733 25.09 64.92 0.28 0.43
2 A' 3134 2999 27.73 64.52 0.55 0.71
3 A' 3000 2871 56.45 116.77 0.05 0.10
4 A' 1513 1448 3.54 15.43 0.74 0.85
5 A' 1484 1420 3.78 5.74 0.65 0.79
6 A' 1394 1334 28.10 2.18 0.72 0.84
7 A' 1124 1076 33.02 6.12 0.38 0.56
8 A' 1073 1027 81.76 0.66 0.68 0.81
9 A" 3054 2923 66.81 63.36 0.75 0.86
10 A" 1494 1430 1.93 16.33 0.75 0.86
11 A" 1180 1129 0.60 4.90 0.75 0.86
12 A" 325 311 109.62 2.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11337.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 10850.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/6-31G(2df,p)
ABC
4.27509 0.83928 0.80947

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.653 0.000
O2 -0.046 -0.752 0.000
H3 -1.092 0.975 0.000
H4 0.437 1.081 0.891
H5 0.437 1.081 -0.891
H6 0.866 -1.043 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.40511.09361.10041.10041.9260
O21.40512.01842.09442.09440.9580
H31.09362.01841.77261.77262.8114
H41.10042.09441.77261.78292.3426
H51.10042.09441.77261.78292.3426
H61.92600.95802.81142.34262.3426

picture of Methyl alcohol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.672 O2 C1 H3 107.100
O2 C1 H4 112.857 O2 C1 H5 112.857
H3 C1 H4 107.791 H3 C1 H5 107.791
H4 C1 H5 108.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 O -0.435      
3 H 0.153      
4 H 0.124      
5 H 0.124      
6 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.324 0.772 0.000 1.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.458 -1.982 0.000
y -1.982 -12.936 0.000
z 0.000 0.000 -13.439
Traceless
 xyz
x 1.729 -1.982 0.000
y -1.982 -0.488 0.000
z 0.000 0.000 -1.241
Polar
3z2-r2-2.483
x2-y21.478
xy-1.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.527 -0.141 0.000
y -0.141 2.678 0.000
z 0.000 0.000 2.308


<r2> (average value of r2) Å2
<r2> 23.277
(<r2>)1/2 4.825